Concrete construction block



FIG. 1 is a frontal isometric view of a preferred embodiment of my new concrete construction block;

FIG. 2 is a front plan view of the preferred embodiment;

FIG. 3 is a top plan view of the preferred embodiment;

FIG. 4 is a left end elevational view of the preferred embodiment, the opposite end comprising a mirror image;

FIG. 5 is a bottom plan view of the preferred embodiment; and,

FIG. 6 is a frontal isometric view of a second embodiment of my new concrete construction block, the front plan view and the left end elevational views of said second embodiment corresponding to FIGS. 2 and 4 respectively. 

The ornamental design for concrete construction block, as shown and described. 